linux-kernel - Re: [PATCH 5.11 00/12] 5.11.1-rc1 review

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Date:   Wed, 24 Feb 2021 08:49:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Shuah Khan <skhan@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
        jonathanh@...dia.com, stable@...r.kernel.org
Subject: Re: [PATCH 5.11 00/12] 5.11.1-rc1 review

On Tue, Feb 23, 2021 at 05:12:56PM -0700, Shuah Khan wrote:
> On 2/23/21 2:05 PM, Shuah Khan wrote:
> > On 2/22/21 5:12 AM, Greg Kroah-Hartman wrote:
> > > This is the start of the stable review cycle for the 5.11.1 release.
> > > There are 12 patches in this series, all will be posted as a response
> > > to this one.  If anyone has any issues with these being applied, please
> > > let me know.
> > > 
> > > Responses should be made by Wed, 24 Feb 2021 12:07:46 +0000.
> > > Anything received after that time might be too late.
> > > 
> > > The whole patch series can be found in one patch at:
> > >     https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.11.1-rc1.gz
> > > 
> > > or in the git tree and branch at:
> > >     git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> > > linux-5.11.y
> > > and the diffstat can be found below.
> > > 
> > > thanks,
> > > 
> > > greg k-h
> > > 
> > 
> > Compiled and booted on my test system. No dmesg regressions.
> > 
> > I made some progress on the drm/amdgpu display and kepboard
> > problem.
> > 
> > My system has
> >   amdgpu: ATOM BIOS: 113-RENOIR-026
> > 
> > I narrowed it down to the following as a possible lead to
> > start looking:
> > amdgpu 0000:0b:00.0: [drm] Cannot find any crtc or sizes
> > 
> 
> It is resolved now. A hot-unplugged/plugged the HDMI cable which
> triggered reset sequence. There might be link to  AMD_DC_HDCP
> support, amdgpu_dm_atomic_commit changes that went into 5.10 and
> this behavior.
> 
> I am basing this on not seeing the problem on Linux 5.4 and until
> Linux 5.10. In any case, I wish I know more, but life is back to
> normal now.

Great, thanks for testing and tracking this down.

greg k-h